Quote:
Originally Posted by bimmer456
I was told if you don't have a c wire the eco bee won't work though there is an ac adapter for it to plug into a wall outlet. The nest gets around this by attempting to get power from one of the other wires. I was able to charge up my nest using a cell phone charger as it has a USB port in the back. If they had a way to route the cable to plug it into an AC outlet while montes to the wall that would work too. Maybe the dial could be narrower to allow a space to run the USB cable. After charging it it's made it through the night so the micro charge it gets from the rh wire should sustain it for a few months hopefully before needing another charge.
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... do you only have 2 wires for your thermostat? That's the only configuration that an AC plug would even be an option. If you have at least 4 wires, the ecobee comes with a power extended kit that you wire up to your furnace if you don't have a c wire. That will send power down your existing wires to the ecobee.